The article says "aren't" rather than "are".

Also, !!!!

The original source appears to be

http://www.brooklynpaper.com/stories/40/31/all-pet-anti-vacc...

I know lots of anti-vaxers when it comes to their children but none who are withholding vaccinations from their pets. Odd that they are trying to prevent something that has never been diagnosed in an animal.